

(function (name, context, definition) {
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = definition()
  } else if (typeof define === 'function' && define.amd) {
    define(definition)
  } else {
    context[name] = definition()
  }
}('Fingerprint', this, () => {
  const Fingerprint = function (options) {
    let nativeForEach,
      nativeMap;
    nativeForEach = Array.prototype.forEach;
    nativeMap = Array.prototype.map;
    this.each = function (obj, iterator, context) {
      if (obj === null) {
        return
      }
      if (nativeForEach && obj.forEach === nativeForEach) {
        obj.forEach(iterator, context)
      } else if (obj.length === +obj.length) {
        for (let i = 0, l = obj.length; i < l; i++) {
          if (iterator.call(context, obj[i], i, obj) === {}) return
        }
      } else {
        for (const key in obj) {
          if (obj.hasOwnProperty(key)) {
            if (iterator.call(context, obj[key], key, obj) === {}) return
          }
        }
      }
    };
    this.map = function (obj, iterator, context) {
      const results = [];
      if (obj == null) return results;
      if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
      this.each(obj, (value, index, list) => {
        results[results.length] = iterator.call(context, value, index, list)
      });
      return results
    };
    if (typeof options === 'object') {
      this.hasher = options.hasher;
      this.screen_resolution = options.screen_resolution;
      this.screen_orientation = options.screen_orientation;
      this.canvas = options.canvas;
      this.ie_activex = options.ie_activex
    } else if (typeof options === 'function') {
      this.hasher = options
    }
  };
  Fingerprint.prototype = {
    get: function () {
      let keys = [],
        t_k_1,
        t_k_2;
      keys.push(navigator.userAgent);
      keys.push(navigator.language);
      keys.push(screen.colorDepth);
      if (this.screen_resolution) {
        const resolution = this.getScreenResolution();
        if (typeof resolution !== 'undefined') {
          keys.push(resolution.join('x'))
        }
      }
      t_k_1 = this.murmurhash3_32_gc(keys.join('###'), 31);
      keys.push(new Date().getTimezoneOffset());
      keys.push(this.hasSessionStorage());
      keys.push(this.hasLocalStorage());
      keys.push(!!window.indexedDB);
      if (document.body) {
        keys.push(typeof (document.body.addBehavior))
      } else {
        keys.push(typeof undefined)
      }
      keys.push(typeof (window.openDatabase));
      keys.push(navigator.cpuClass);
      keys.push(navigator.platform);
      keys.push(navigator.doNotTrack);
      keys.push(this.getPluginsString());
      t_k_2 = this.murmurhash3_32_gc(keys.join('###'), 31);
      if (this.canvas && this.isCanvasSupported()) {
        keys.push(this.getCanvasFingerprint())
      }
      if (this.hasher) {
        return this.hasher(keys.join('###'), 31)
      }
      return `${this.murmurhash3_32_gc(keys.join('###'), 31)}-${t_k_1}-${t_k_2}`
    },
    murmurhash3_32_gc: function (key, seed) {
      let remainder,
        bytes,
        h1,
        h1b,
        c1,
        c2,
        k1,
        i;
      remainder = key.length & 3;
      bytes = key.length - remainder;
      h1 = seed;
      c1 = 0xcc9e2d51;
      c2 = 0x1b873593;
      i = 0;
      while (i < bytes) {
        k1 = ((key.charCodeAt(i) & 0xff)) | ((key.charCodeAt(++i) & 0xff) << 8) | ((key.charCodeAt(++i) & 0xff) << 16) | ((key.charCodeAt(++i)

& 0xff) << 24);
        ++i;
        k1 = ((((k1 & 0xffff) * c1) + ((((k1 >>> 16) * c1) & 0xffff) << 16))) & 0xffffffff;
        k1 = (k1 << 15) | (k1 >>> 17);
        k1 = ((((k1 & 0xffff) * c2) + ((((k1 >>> 16) * c2) & 0xffff) << 16))) & 0xffffffff;
        h1 ^= k1;
        h1 = (h1 << 13) | (h1 >>> 19);
        h1b = ((((h1 & 0xffff) * 5) + ((((h1 >>> 16) * 5) & 0xffff) << 16))) & 0xffffffff;
        h1 = (((h1b & 0xffff) + 0x6b64) + ((((h1b >>> 16) + 0xe654) & 0xffff) << 16))
      }
      k1 = 0;
      switch (remainder) {
        case 3:
          k1 ^= (key.charCodeAt(i + 2) & 0xff) << 16;
        case 2:
          k1 ^= (key.charCodeAt(i + 1) & 0xff) << 8;
        case 1:
          k1 ^= (key.charCodeAt(i) & 0xff);
          k1 = (((k1 & 0xffff) * c1) + ((((k1 >>> 16) * c1) & 0xffff) << 16)) & 0xffffffff;
          k1 = (k1 << 15) | (k1 >>> 17);
          k1 = (((k1 & 0xffff) * c2) + ((((k1 >>> 16) * c2) & 0xffff) << 16)) & 0xffffffff;
          h1 ^= k1
      }
      h1 ^= key.length;
      h1 ^= h1 >>> 16;
      h1 = (((h1 & 0xffff) * 0x85ebca6b) + ((((h1 >>> 16) * 0x85ebca6b) & 0xffff) << 16)) & 0xffffffff;
      h1 ^= h1 >>> 13;
      h1 = ((((h1 & 0xffff) * 0xc2b2ae35) + ((((h1 >>> 16) * 0xc2b2ae35) & 0xffff) << 16))) & 0xffffffff;
      h1 ^= h1 >>> 16;
      return h1 >>> 0
    },
    hasLocalStorage: function () {
      try {
        return !!window.localStorage
      } catch (e) {
        return true
      }
    },
    hasSessionStorage: function () {
      try {
        return !!window.sessionStorage
      } catch (e) {
        return true
      }
    },
    isCanvasSupported: function () {
      const elem = document.createElement('canvas');
      return !!(elem.getContext && elem.getContext('2d'))
    },
    isIE: function () {
      if (navigator.appName === 'Microsoft Internet Explorer') {
        return true
      } else if (navigator.appName === 'Netscape' && /Trident/.test(navigator.userAgent)) {
        return true
      }
      return false
    },
    getPluginsString: function () {
      if (this.isIE() && this.ie_activex) {
        return this.getIEPluginsString()
      }
      return this.getRegularPluginsString()
    },
    getRegularPluginsString: function () {
      return this.map(navigator.plugins, function (p) {
        const mimeTypes = this.map(p, mt => [mt.type, mt.suffixes].join('~')).join(',');
        return [p.name, p.description, mimeTypes].join('::')
      }, this).join(';')
    },
    getIEPluginsString: function () {
      if (window.ActiveXObject) {
        const names = ['ShockwaveFlash.ShockwaveFlash', 'AcroPDF.PDF', 'PDF.PdfCtrl', 'QuickTime.QuickTime', 'rmocx.RealPlayer G2 Control',

          'rmocx.RealPlayer G2 Control.1', 'RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)', 'RealVideo.RealVideo(tm) ActiveX Control (32-bit)', 'RealPlayer', 'SWCtl.SWCtl',

          'WMPlayer.OCX', 'AgControl.AgControl', 'Skype.Detection'];
        return this.map(names, (name) => {
          try {
            new ActiveXObject(name);
            return name
          } catch (e) {
            return null
          }
        }).join(';')
      }
      return ''
    },
    getScreenResolution: function () {
      let resolution;
      if (this.screen_orientation) {
        resolution = (screen.height > screen.width) ? [screen.height, screen.width] : [screen.width, screen.height]
      } else {
        resolution = [screen.height, screen.width]
      }
      return resolution
    },
    getCanvasFingerprint: function () {
      const canvas = document.createElement('canvas');
      const ctx = canvas.getContext('2d');
      const txt = 'http://www.scienmedia.com';
      ctx.textBaseline = 'top';
      ctx.font = "14px 'Arial'";
      ctx.textBaseline = 'alphabetic';
      ctx.fillStyle = '#f60';
      ctx.fillRect(125, 1, 62, 20);
      ctx.fillStyle = '#069';
      ctx.fillText(txt, 2, 15);
      ctx.fillStyle = 'rgba(102, 204, 0, 0.7)';
      ctx.fillText(txt, 4, 17);
      return canvas.toDataURL()
    },
  };
  return Fingerprint
}));
const crc = new Fingerprint({
  screen_resolution: true,
  screen_orientation: true,
  canvas: true,
  ie_activex: true,
});
